Oradea
Bishops 6
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26 March 1921 – 21 January 1936
Roman Ciorogariu 1852–1936
Bishop
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1 June 1936 – 20 October 1960
Nicholas Popoviciu 1903–1960
Bishop
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13 November 1951 – 12 December 1969
Valerian Zaharia 1905–1996
Bishop
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1969 – 1970
Teoctist Arăpaşu 1915–2007
Locum tenens
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27 December 1970 – 10 July 1992
Basil Coman 1912–1992
Bishop
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1992 – 2001
John Mihălțan 1926–2008
Bishop
In the order of their start dates; bishops whose dates are unknown come last. Gaps are periods the data does not yet cover.
Also named after the see
Retired bishops who kept its name, and clergy or lay people whose title was attached to it.
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12 December 1969 – 13 March 1996
Valerian Zaharia 1905–1996
Former Bishop